function commonUpload(callback){
         $.dialog({
                        content: "url:fileUpLoadController.do?commonUpload",
                        lock : true,
                        title:"文件上传",
                        width:700,
                        height: 400,
                        parent:windowapi,
                        cache:false,
                        z-index:9999,	
                    ok: function(){
                            var iframe = this.iframe.contentWindow;
                            iframe.uploadCallback(callback);
                                return true;
                    },
                    cancelVal: '关闭',
                    cancel: function(){
                    } 
                });
}